Home / 52,301.03-78,450.83-12,858.48

Finding the Fourth Proportional to 52,301.03, 78,450.83 and 12,858.48

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Solution

The fourth proportional to 52,301.03, 78,450.83 and 12,858.48 is: 19,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.03 : 78,450.83 = 12,858.48 : x
  2. Step 2: Convert to fraction form
    52,301.03/78,450.83 = 12,858.48/x
  3. Step 3: Cross multiply
    52,301.03x = 78,450.83 × 12,858.48
  4. Step 4: Simplify right side
    52,301.03x = 1,008,758,412.47
  5. Step 5: Solve for x
    x = 1,008,758,412.47/52,301.03
  6. Step 6: Final answer
    x = 19,287.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.